American Standard 50A61-605 User Manual

1
Gas Furnace Silicon
Nitride Ignitor Models
Gas Furnace Silicon
Nitride Ignitor Models
• Single and Two Stage Models
• Variable Speed Vent Models
• Variable Speed Blower Motor
• Test Procedures
• Direct Vent
• Single and Two Stage Models
• Variable Speed Vent Models
• Variable Speed Blower Motor
• Test Procedures
• Direct Vent
© 2001 American Standard Inc. All rights reserved.
© 2001 American Standard Inc. All rights reserved.

American Standard 50A61-605 Specifications

General

Brand	American Standard
Model	50A61-605
Category	Control Unit
Language	English

Summary

Gas Furnace Silicon Nitride Ignitor Models

IFC Diagnostic Codes

Model Nomenclature

Silicon Nitride Ignitor

Component Identification

Single Stage 80% Upflow/Horizontal

Identification of components for single stage, 80% upflow/horizontal furnaces.

Two Stage 80% Upflow/Horizontal

80% Two Stage/Two Speed Vent Motor and Variable Speed Indoor Motor

Two Stage 90% Variable Speed Vent Motor and 4 Speed Indoor Motor

Single Stage 90% Upflow/Horizontal

Identification of components for single stage, 90% upflow/horizontal furnaces.

Single Stage 50A65-474 Sequence of Operation

Wiring Schematic

Single Stage 80% and 90%

Two Stage Heat (White-Rodgers 50M61-495 Series Integrated Furnace Control)

Two Stage Variable Speed Indoor Blower

Two Stage Heat/Variable Speed Vent Motor/Std. Indoor Blower

Two Stage 50M61-495 Sequence of Operation

Two Stage Variable Speed Sequence of Operation

Variable Speed Vent Motor

How Does It Learn?

Explanation of the adaptive learning routine for variable speed vent motors.

Two Stage 50V65 Sequence of Operation

Two Stage 50A61 Sequence Of Operation

Two Stage V/S Vent and V/S Blower Motor Models

Sequence of Operation

Detailed operational sequence for two stage variable speed vent and blower motor models.

White-Rodgers Self Diagnostic Features

Ignition Control Flash Codes

Diagnosing the V/S Vent Motor with the V/S Troubleshooter

Diagnosing the V/S Vent Motor/Manual Method

ECM™ 2 Variable Speed Furnace Motor Quick Check

Manifold Pressure Settings

Furnace Pressure Switch Settings